Books permit us to voyage through time, to tap the wisdom of our ancestors.
CARL SAGANWhat an astonishing thing a book is.
More Carl Sagan Quotes
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
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Nothing disturbs me more than the glorification of stupidity.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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You have to know the past to understand the present.
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The Earth is the only world known so far to harbor life.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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Somewhere, something incredible is waiting to be known.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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One of the great commandments of science is: Mistrust arguments from authority.
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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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Nature is unsentimental. Death is built in.
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All civilizations become either spacefaring or extinct.
CARL SAGAN